John Deere 990
Built: 2000-2007 · Series: Other models
The John Deere 990 rolled off the line in 2000-2007 as a tractor. It is powered by a four-cylinder engine producing 30 kW. Rated power is reached at 2,700 rpm.
Power is transmitted through a partially synchronized gearbox.
It runs on diesel; the engine is water-cooled. It was replaced by the John Deere 4005. Within the range, rated power spans from 10 to 420 kW; with 30 kW, the 990 sits in the lower third. Directly alongside are the 2032R with 28.8 kW below and the 3720 HST with 32.4 kW above.
Technical data
Engine
| Engine make | Yanmarcorrect |
|---|---|
| Engine model | 4TNE84correct |
| Fuel | dieselcorrect |
| Power | 40 hp (30 kW)correct |
| Rated speed | 2,700 rpmcorrect |
| Cylinders | 4correct |
| Displacement | 121.7 cicorrect |
| Cooling | water-cooledcorrect |
Dimensions and weights
| Length | 123 in (3124,2 mm)correct |
|---|---|
| Height | 84.2 in (2138,7 mm)correct |
| Wheelbase | 68.9 in (1750,1 mm)correct |
| Unladen weight | 2, 594 lbs (2WD); 3, 175 lbs (MFWD)correct |
Drivetrain and chassis
| Drive | rear-wheel driveWD/MFWDcorrect |
|---|---|
| Gearbox | partly synchromesh gearboxcorrect |
| Forward gears | 9correct |
| Reverse gears | 3correct |
Working data
| Lifting capacity | 1,573 lbs (713,5 kg)correct |
|---|---|
| Fuel tank capacity | 8.5 galcorrect |
| PTO speed | 540correct |
| Linkage category | Cat Icorrect |
Origin and approval
| Plant | Japancorrect |
|---|---|
| Successor | John Deere 4005correct |
Frequently asked questions
How much power does the John Deere 990 have?
The John Deere 990 delivers 40 hp.
What engine does the John Deere 990 have?
4 cylinders, Diesel.
When was the John Deere 990 built?
Production years: 2000-2007.
What to check before buying
- Check the hour meter against the service records — a replaced instrument is the most common gap.
- Compare the data plate and chassis number with the papers.
- Shift the gearbox cold and warm — jumps only show up at temperature.
- Load the hydraulics and watch for sag.
- Ask about parts availability for this build year — the running costs hang on it.
A general list for this type of machine — no substitute for an inspection or an appraiser.
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This page carries 26 individual figures for this model. They come from 2 recorded sources; every figure can be traced there. What we cannot document is not here — we leave gaps open rather than estimate them.
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Tractor in 3D section
Turn the model, look inside and click an assembly — each one is explained.